71. A man travelling at a speed of 20 Km/hr, reached his office 10 minutes late. Next day he travelled at a speed of 30 Km/hr and he reached his office 10 minutes earlier. The distance between his office and home?
A] 30 Km
C] 50 Km
D] 20 Km
72. Find (125+95)2 - 4x125x95 = ??
A] 400
B] 900
C] 1000
D] 440
73. The angle between both of a clock at 9:20 Am will be
A] 120
B] 150
C] 160
D] 130
74. A purse contains 1 ruppee , 50 paise and 25 paise coins in the ratio 7:8:9. If the total money in the purse is 159. The number of 50 paise coins in the purse will be?
A] 96
B] 84
C] 82
D] 86
75. The radii of bases of a cylinder an a corne are in the ratio 3:4. Volume of cylender and cone are in the ratio 9:8. Then their heights are in the ratio
A] 3:2
B] 4:3
C] 8:9
D] 2:3
76. Average age of 15 persons is 24 years. Later a boy is included into this group then average become 23 years. The age of the boy will be?
A] 22
B]8
C]18
D]12
77. The sum and product of two numbers are 13 and 40 respectively. The sum of their reciprocals is?
A] 1/40
B]3/40
C]13/40
D]30/40
78.The ratio of the age of two sisters is 3:4. The product of their ages is 192. The ratio of their ages after 5 years will be?
A] 3:4
B] 21:17
C] 17:21
D]8:9
79. If the breadth of a rectangle is increased by 40% and the length is reduced by 30% . WHat will be the effect on its area?
A] Decreases by 2%
B] Increases by 2%
C] Increases by 10%
D] Decreases by 10%
80. When A,B,C, are work together they complete a job in 8 days. When A and C decided to do the work together they complete this job in 12 days. In how many days B alone can complete the work?
A] 20
B]25
C]30
D]24
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